73863
domain: N
Appears in sequences
- Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape I; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=29A247703
- Number of parts in all partitions of n in which no part occurs more than six times.at n=33A320609
- G.f.: 1/(1-x)^3 * Product_{k>=1} (1 + x^k).at n=30A325951